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. Author manuscript; available in PMC: 2021 Apr 9.
Published in final edited form as: J Numer Cogn. 2019 Aug 22;5(2):122–139. doi: 10.5964/jnc.v5i2.195

Table 1.

Descriptive statistics for math anxiety measures, probability knowledge, math fluency, generalized anxiety, test anxiety, and household income.

Variable N Mean SD Min Max Skew Kurtosis
Hopko MARS-R scale 1000 2.30 0.97 1.00 5.00 0.61 −0.32
MAST-GMA scale 1000 2.55 1.14 1.00 5.00 0.35 −0.89
0 to 10 math anxiety scale 1000 3.98 3.05 0.00 10.00 0.36 −.1.08
Probability knowledge 1000 2.16 1.20 1.00 4.00 0.48 −1.35
Math Fluency 996 30.89 10.93 2.00 48.00 −0.02 −0.97
Generalized Anxiety 1000 1.46 0.63 1.00 4.00 1.67 2.39
Test Anxiety 1000 3.31 0.84 1.00 4.00 0.99 0.11
Income 972 56255.03 21018.26 12786.00 124500.85 0.97 0.97

Note. MAST-GMA = Math Anxiety Scale for Teachers general math anxiety